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It is widely used in food, textile, chemical, pharmaceutical and metallurgical industries and electronic fields such as vacuum evaporation, vacuum concentration, vacuum rewetting, vacuum impregnation, vacuum drying and vacuum smelting.
The pump has the characteristics of high vacuum, high pumping speed, compact structure, reliable process, convenient maintenance and so on.

| Model | Pumping volume(m³/h) | Extreme vacuum MPa(mmHg) | Motor power(KW) | Rotation speed r/min | Water supply L/min | Inhalation calibre(mm) | Discharge calibre (mm) | |||
| The biggest | The inhalation pressure is-700mmHg | |||||||||
| 2SK-0.4 | 0.4 | 0.25 | -0.096(-725) | 2.2 | 2860 | 8-10 | G1 | G1 | ||
| 2SK-0.8 | 0.8 | 0.5 | -0.096(-725) | 3 | 2880 | 15-20 | G1 | G1 | ||
| 2SK-1.5 | 1.5 | 0.9 | -0.097(-730) | 4 | 1440 | 30-45 | 40 | 40 | ||
| 2SK-3 | 3 | 2 | -0.098(-735) | 7.5 | 1440 | 45-60 | 40 | 40 | ||
| 2SK-6 | 6 | 4 | -0.098(-735) | 15 | 1460 | 65-85 | 70 | 70 | ||
| 2SK-12 | 12 | 8 | -0.098(-735) | 22 | 970 | 80-100 | 100 | 100 | ||
| 2SK-20 | 20 | 14 | -0.098(-735) | 45 | 740 | 120-140 | 125 | 125 | ||
| 2SK-30 | 30 | 20 | -0.098(-735) | 75 | 740 | 160-180 | 125 | 125 | ||
| Model | Pumping volume(m³/h) | Extreme vacuum MPa(mmHg) | Motor power(KW) | Rotation speed r/min | Water supply L/min | |||||
| The suction pressure is 30 Torr(-730mmHg) | The suction pressure is 20 Torr(-740mmHg) | |||||||||
| 2SK-0.4P1 | 0.28 | 0.24 | -0.099(-750) | 2.2 | 2860 | 8-10 | ||||
| 2SK-0.8P1 | 0.56 | 0.48 | -0.099(-750) | 3 | 2880 | 15-20 | ||||
| 2SK-1.5P1 | 1.05 | 0.9 | -0.099(-750) | 4 | 1440 | 30-45 | ||||
| 2SK-3P1 | 2.1 | 1.8 | -0.099(-750) | 7.5 | 1440 | 45-60 | ||||
| 2SK-6P1 | 4.2 | 3.6 | -0.099(-750) | 15 | 1460 | 65-85 | ||||
| 2SK-12P1 | 8.4 | 7.2 | -0.099(-750) | 22 | 970 | 80-100 | ||||
| 2SK-20P1 | 14 | 12 | -0.099(-750) | 45 | 740 | 120-140 | ||||
| 2SK-30P1 | 21 | 18 | -0.099(-750) | 75 | 740 | 160-180 | ||||
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